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Subsequent Events (Details) - USD ($) $ in Millions			3 Months Ended		12 Months Ended
	Mar. 25, 2022	Dec. 11, 2020	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2020	Dec. 31, 2022
Subsequent Event [Line Items]
Proceeds from divestitures of property and equipment					$ 136
Disposal group, disposed of by sale, not discontinued operations
Subsequent Event [Line Items]
Proceeds from divestitures of property and equipment	$ 450	$ 130
Disposal group, disposed of by sale, not discontinued operations | Portion of Eagle Ford Assets
Subsequent Event [Line Items]
Property and equipment						$ 811
Other assets						8
Derivative liabilities						65
ARO liabilities						57
Other liabilities						$ 22
Forecast | Disposal group, disposed of by sale, not discontinued operations | Portion of Eagle Ford Assets
Subsequent Event [Line Items]
Proceeds from divestitures of property and equipment			$ 1,400	$ 1,425

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